Autonics Photoelectric Sensor, Photoelectric Type BPS3M TDT P Electrician's Safety Belt Specification item model symbol Specification Specification item model symbol Specification information emphysema G Built in standard magnet type with magnetic field resistant auto switch clevis width A 16 Specification item model symbol Specification information With auto switch D Without auto switch Built in magnet cylinder installation support B Basic type tube inner diameter 80 Tube inner diameter 80mm cylinder stroke 50 cylinder stroke 50mm with bellows no bellows dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None With bellows 2 no bellows auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard